β-Lactam compounds of the formulae
and
are disclosed in which R represents a carboxyl or esterified carboxyl group and X represents a sulphonyloxy group. Processes for preparing the compounds and intermediates of use in their preparation are also disclosed.
The compounds are of value in the preparation of further β-lactam compounds, for example of formulae
in which R is a carboxyl or esterified carboxyl group, and R is the residue of a sulphur nucleophile.
Compounds of formula (1) are also disclosed, together with processes for their preparation, pharmaceutical compositions containing them and intermediates of use in their preparation. The compounds of formula (1) are of value as antibiotics or as p-lactamase inhibitors.
式中β-内酰胺化合物
和
其中 R 代表羧基或酯化羧基,X 代表磺酰氧基。还公开了制备这些化合物的工艺和用于制备这些化合物的中间体。
这些化合物对于制备更多的 β-内酰胺化合物具有重要价值,例如式
其中 R 是羧基或酯化羧基,R 是亲
硫核分子的残基。
此外,还公开了式 (1) 化合物及其制备工艺、含有这些化合物的药物组合物以及用于制备这些化合物的中间体。式(1)化合物具有抗生素或 p-内酰胺酶
抑制剂的价值。